EXPRESS PROTRACTOR

EXPRESS PROTRACTORDepending on the processed material from each drill must be properly sharpened. To verify the correct angle will help a specially prepared square plate of copper or aluminium with a thickness of 1 mm.

To become operational protractor enough to cut it cut, as shown in the picture: a large cutout at an angle of 120 degrees, the other half is 60 degrees and the surviving corner of a square is 90.

Recommend to read

  • Samovar: wood-fired and electricSamovar: wood-fired and electric
    When there is an antique samovar in the house, it would be a shame not to use it at least on special occasions. You can even avoid the hassle of lighting a fire and simply pour ready-made...
  • DRILL AT ANY SIZEDRILL AT ANY SIZE
    Any is, perhaps, too, but the hole in the tree Ø 20-55 mm this tool to drill. Drill-Perca consists of a Central rod of square section and two blades, pivotally attached to the rod....